General projects: Technical services, technical development, technical consultation, technical exchanges, technology transfer, technology promotion; Sales of industrial automatic control system devices; Sales of power electronic components; Sales of mechanical and electrical equipment; Sales of pneumatic and electric tools; Sales of pumps and vacuum equipment; Sales of instruments and meters; Sales of gifts and electrical equipment; Sales of lighting fixtures; Sales of labor protection supplies; Sales of metal materials; Sales of mechanical equipment; Sales of furniture; Sales of security equipment; Wholesale of refined oil products (excluding hazardous chemicals); Sales of chemical products (excluding chemical products subject to licensing); Internet sales (excluding the sale of goods that require a license); Sales of special labor protection supplies; Sales of fasteners; Sales of lubricating oil;